1. Metal rounded edges, fine workmanship, no burrs
2. Double-coil binding, smooth and sturdy page turning, can turn pages 360 degrees
3. 100g high quality double glued paper inside, smooth writing, not easy to seep ink
4. Binding: metal double coil
5. Material: 100g double-gummed paper inside.
6. Number of pages: 81/162 pages
7. Size: about 21.7 x 15.8cm
8. Weight: about 320g